Wilo Stratos GIGA Einbau- Und Betriebsanleitung Seite 149

13.5.2.1 Installing the electronic module
Installation and operating instructions • Wilo-Stratos GIGA, Wilo-Stratos GIGA B • Ed.01/2023-05
DANGER
Risk of fatal injury due to electrical current!
Improper conduct when carrying out electrical work can lead to death
due to electric shock!
• Any work on electrical devices may only be carried out by a qualified
electrician.
• Before carrying out any work, disconnect the unit from the power
supply and secure it against accidental switch-on.
• Any damage to the pump connection cable should only ever be recti-
fied by a qualified electrician.
• Observe the installation and operating instructions for the pump, mo-
tor and other accessories.
• Never poke around in the electronic module or motor openings or in-
sert anything into them.
• Never operate the pump without the electronic module being in-
stalled.
• Reinstall any uninstalled safety devices, such as module or coupling
covers, once the work is complete.
NOTICE
Observe the drawings in the section "Spare parts".
DANGER
Danger of death due to electrical current!
Improper conduct when carrying out electrical work can lead to death
due to electric shock!
• Any work on electrical devices may only be carried out by a qualified
electrician.
• Before commencing work, switch off the voltage in the unit, secure it
against being switched on again and wait 5 min.
• Check whether all connections (including potential-free contacts) are
voltage-free.
• Never poke around in the openings of the electronic module or insert
anything into them!
• Any damage to the pump connection cable should only ever be recti-
fied by a qualified electrician.
• Observe the installation and operating instructions for the pump, mo-
tor and other accessories!
• Reinstall any uninstalled safety devices, such as module covers, once
the work is complete!
1. Earth the work area and short-circuit. Disconnect the mains cable. If present, remove
the cable for the differential pressure sensor.
2. Fit the new O-ring between the electronic module and the motor on the contacting
chamber.
3. Press the electronic module down vertically into the motor contacting and fasten it
with screws and the tooth lock washers.
4. Remove the module cover.
5. Connect the mains cable.
6. If present, connect the differential pressure sensor cable.
7. For all other cable connections, see the "Electrical Connection" section.
8. Carefully close and tighten the module cover.
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